What is the process called by which heat is transferred through the movement of fluids or gases?

The process by which heat is transferred through the movement of fluids or gases is called convection. In convection, warmer fluid or gas rises due to its decreased density, while cooler fluid or gas sinks, creating a circulation pattern that facilitates the transfer of heat. This mechanism is commonly observed in natural processes such as wind and ocean currents, as well as in heating systems where warm air or fluid moves to heat a space.

In the context of athletic training and physical rehabilitation, understanding convection is important. It is often applied in therapeutic modalities that involve the use of whirlpools or heated air. These methods utilize the principles of convection to enhance blood flow and promote healing through the efficient movement of warm fluids around the body.

Other processes like conduction and radiation involve different mechanisms for heat transfer. Conduction refers to heat transfer through direct contact, while radiation involves the transfer of heat through electromagnetic waves without the need for a medium. Insulation, while related to temperature control, refers to materials or methods that prevent heat transfer rather than describing a method of heat transfer itself.